/* ===== 体验中心 / page-products ===== */
.page-products {
  --pp-rail: 216px;
  --pp-data-rail: 240px;
  --pp-gap: clamp(32px, 4.5vw, 60px);
  --pp-hover-bg: rgba(34, 38, 42, .045);
}

/* 面包屑 */
.page-products .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  padding-bottom: 20px;
  font-size: 13px;
  color: var(--c-stone);
}

.page-products .crumbs__link {
  color: var(--c-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 120ms linear, border-color 120ms linear;
}

.page-products .crumbs__link:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-products .crumbs__item {
  color: var(--c-ink);
}

.page-products .crumbs__item::before {
  content: "/";
  margin-right: 10px;
  color: var(--c-stone);
}

/* ===== 首屏 ===== */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-cream);
  border-top: 1px solid var(--rule-dark);
  border-bottom: 1px solid var(--rule-dark);
  padding: clamp(40px, 6vw, 80px) 0 clamp(38px, 5vw, 68px);
}

.page-products .prod-hero__diag {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background: var(--c-ink);
  opacity: .05;
  pointer-events: none;
}

.page-products .prod-hero__inner {
  position: relative;
  z-index: 1;
}

.page-products .prod-hero__content {
  max-width: 600px;
}

.page-products .prod-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--c-ink);
}

.page-products .prod-hero__lead {
  margin: 20px 0 0;
  color: var(--c-gray);
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  margin: 36px 0 0;
  padding: 0;
}

.page-products .stat {
  border-left: 2px solid var(--c-orange);
  padding-left: 12px;
}

.page-products .stat__num {
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.page-products .stat__label {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-gray);
}

@media (min-width: 760px) {
  .page-products .prod-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 620px;
  }
}

@media (min-width: 1240px) {
  .page-products .prod-hero__diag {
    width: 46%;
    opacity: 1;
    clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-products .prod-hero__diag::after {
    content: "";
    position: absolute;
    left: 28%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--c-orange);
    transform: translateX(-1px);
  }
}

/* ===== 技能树骨架 ===== */
.page-products .skill-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-top: 40px;
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-products .skill-rail {
  border-top: 2px solid var(--c-orange);
  padding-top: 18px;
}

.page-products .skill-rail__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-stone);
}

.page-products .skill-tree {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  position: relative;
}

.page-products .skill-tree::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--rule-strong);
}

.page-products .skill-tree__node {
  position: relative;
  padding: 10px 0;
}

.page-products .skill-tree__node::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 18px;
  width: 9px;
  height: 9px;
  background: var(--c-cream);
  border: 1px solid var(--c-gray);
  transition: background-color 120ms linear, border-color 120ms linear;
}

.page-products .skill-tree__node:hover::before {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-products .skill-tree__link {
  display: block;
  font-size: 15px;
  line-height: 1.45;
  color: var(--c-ink);
  text-decoration: none;
  transition: color 120ms linear;
}

.page-products .skill-tree__link:hover {
  color: var(--c-orange);
}

.page-products .skill-tree__num {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-stone);
}

@media (min-width: 1060px) {
  .page-products .skill-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-gap);
    align-items: start;
    padding-top: clamp(48px, 5.5vw, 80px);
  }

  .page-products .skill-rail {
    position: sticky;
    top: calc(var(--sticky-top) + 24px);
  }
}

/* ===== 内容块通用 ===== */
.page-products .block {
  scroll-margin-top: calc(var(--sticky-top) + 24px);
  padding-top: clamp(36px, 5vw, 64px);
}

.page-products .block:first-child {
  padding-top: 0;
}

.page-products .block + .block {
  border-top: 1px solid var(--rule-dark);
}

.page-products .block__head {
  max-width: 720px;
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

.page-products .block__head .section-title {
  margin: 10px 0 0;
  color: var(--c-ink);
}

.page-products .block__head .prose {
  margin: 14px 0 0;
  color: var(--c-gray);
}

.page-products figure {
  margin: 0;
}

.page-products figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-products .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ===== 订阅模块 ===== */
.page-products .sub-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .sub-dims {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .dim {
  position: relative;
}

.page-products .dim__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .dim__label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 138px;
  padding: 12px 14px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 120ms linear, background-color 120ms linear, box-shadow 120ms linear;
}

.page-products .dim__label:hover {
  border-color: var(--c-orange);
}

.page-products .dim__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-products .dim__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-stone);
}

.page-products .dim__input:checked + .dim__label {
  border-color: var(--c-orange);
  background: var(--tint-orange);
  box-shadow: inset 0 0 0 1px var(--c-orange);
}

.page-products .dim__input:focus-visible + .dim__label {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-products .sub-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-dark);
}

.page-products .sub-list__item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--rule-dark);
  transition: background-color 120ms linear;
}

.page-products .sub-list__item:hover {
  background: var(--pp-hover-bg);
}

.page-products .sub-list__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-stone);
  padding-top: 3px;
}

.page-products .sub-list__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-ink);
}

.page-products .sub-list__meta {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.65;
  color: var(--c-gray);
}

.page-products .sub-batches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-products .batch-pill {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--c-gray);
}

.page-products .batch-pill--live {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.page-products .sub-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

.page-products .sub-figure img {
  object-fit: cover;
}

@media (min-width: 920px) {
  .page-products .sub-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
    align-items: start;
  }
}

/* ===== 赛程轮次 ===== */
.page-products .rounds-banner {
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-products .rounds-banner img {
  max-height: 300px;
  object-fit: cover;
}

.page-products .timeline {
  overflow-x: auto;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule-dark);
}

.page-products .timeline__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(116px, 1fr);
  min-width: 928px;
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-products .timeline__track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 17px;
  height: 1px;
  background: var(--rule-strong);
}

.page-products .timeline__node {
  position: relative;
  padding: 40px 12px 6px 0;
}

.page-products .timeline__node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 11px;
  height: 11px;
  background: var(--c-cream);
  border: 1px solid var(--c-gray);
  transition: background-color 120ms linear, border-color 120ms linear;
}

.page-products .timeline__node:hover::before,
.page-products .timeline__node--now::before {
  background: var(--c-orange);
  border-color: var(--c-orange);
}

.page-products .timeline__date {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-stone);
}

.page-products .timeline__round {
  display: block;
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-products .timeline__node--now .timeline__round {
  color: var(--c-orange);
}

.page-products .timeline__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ===== 单场明细 ===== */
.page-products .fields-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .fields-figure img {
  object-fit: cover;
}

.page-products .fields-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-products .field-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .field-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 5px 14px;
  padding: 16px 6px;
  border-top: 1px solid var(--rule-dark);
  transition: background-color 120ms linear;
}

.page-products .field-item:last-child {
  border-bottom: 1px solid var(--rule-dark);
}

.page-products .field-item:hover {
  background: var(--pp-hover-bg);
}

.page-products .field-item__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-orange);
  padding-top: 4px;
}

.page-products .field-item__name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-products .field-item__desc {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-products .fields-rail {
  border-top: 2px solid var(--c-orange);
  background: var(--c-ink);
  padding: 18px 16px 20px;
  border-radius: var(--radius);
  align-self: start;
}

.page-products .fields-rail__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-orange-soft);
}

.page-products .fields-rail__score {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--c-cream);
  font-variant-numeric: tabular-nums;
}

.page-products .fields-rail__sub {
  margin: 6px 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-stone);
}

.page-products .fields-rail__chips {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-products .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.page-products .chip--amber {
  color: var(--c-amber);
}

.page-products .chip--red {
  color: var(--c-red);
}

.page-products .fields-rail__rows {
  margin: 0;
}

.page-products .fields-rail__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid var(--rule-light);
  font-size: 13px;
}

.page-products .fields-rail__row dt {
  color: var(--c-stone);
}

.page-products .fields-rail__row dd {
  margin: 0;
  font-family: var(--font-mono);
  color: var(--c-cream);
  font-variant-numeric: tabular-nums;
}

@media (min-width: 1000px) {
  .page-products .fields-layout {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: 44px;
    align-items: start;
  }
}

@media (min-width: 1320px) {
  .page-products .fields-board {
    grid-template-columns: minmax(0, 1fr) var(--pp-data-rail);
    gap: 30px;
    align-items: start;
  }

  .page-products .fields-rail {
    position: sticky;
    top: calc(var(--sticky-top) + 24px);
  }
}

/* ===== 上手路径 ===== */
.page-products .start-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-products .step {
  border-top: 1px solid var(--rule-dark);
}

.page-products .step:last-of-type {
  border-bottom: 1px solid var(--rule-dark);
}

.page-products .step__sum {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) 16px;
  align-items: center;
  gap: 12px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}

.page-products .step__sum::-webkit-details-marker {
  display: none;
}

.page-products .step__n {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-products .step__t {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-products .step__sign {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-products .step__sign::before,
.page-products .step__sign::after {
  content: "";
  position: absolute;
  background: var(--c-gray);
}

.page-products .step__sign::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-products .step__sign::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: opacity 160ms linear;
}

.page-products .step[open] .step__sign::after {
  opacity: 0;
}

.page-products .step__body {
  padding: 0 4px 20px 54px;
}

.page-products .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
}

.page-products .start-figure img {
  object-fit: cover;
}

@media (min-width: 900px) {
  .page-products .start-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
    align-items: start;
  }
}

/* ===== 使用场景 ===== */
.page-products .scene-banner {
  margin-bottom: clamp(24px, 3.4vw, 38px);
}

.page-products .scene-banner img {
  max-height: 340px;
  object-fit: cover;
}

.page-products .scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--rule-dark);
}

.page-products .scene {
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-dark);
}

.page-products .scene__tag {
  display: inline-block;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-cream);
  background: var(--c-green);
  border-radius: var(--radius);
}

.page-products .scene:nth-child(2) .scene__tag {
  background: var(--c-indigo);
}

.page-products .scene:nth-child(3) .scene__tag {
  background: var(--c-wine);
}

.page-products .scene__title {
  margin: 14px 0 0;
  font-size: 18px;
  line-height: 1.35;
  color: var(--c-ink);
}

.page-products .scene__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
}

@media (min-width: 880px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .scene {
    padding: 28px 26px;
    border-bottom: 0;
    border-left: 1px solid var(--rule-dark);
  }

  .page-products .scene:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-products .scene:last-child {
    padding-right: 0;
  }
}

/* ===== 回溯范围 ===== */
.page-products .regions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-products .region {
  border-top: 2px solid var(--c-stone);
  padding-top: 20px;
}

.page-products .region:first-child {
  border-top-color: var(--c-green);
}

.page-products .region:last-child {
  border-top-color: var(--c-orange);
}

.page-products .region__years {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
}

.page-products .region__title {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-products .region__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-gray);
}

@media (min-width: 780px) {
  .page-products .regions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px;
  }
}

/* ===== 收尾 ===== */
.page-products .next-strip {
  background: var(--c-ink);
  padding: clamp(42px, 5.5vw, 76px) 0;
}

.page-products .next-strip .eyebrow {
  color: var(--c-orange);
}

.page-products .next-strip .section-title {
  margin: 10px 0 0;
  color: var(--c-cream);
}

.page-products .next-links {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 30px;
}

.page-products .next-link {
  display: block;
  padding: 20px 0;
  border-top: 1px solid var(--rule-light);
  color: var(--c-cream);
  text-decoration: none;
  transition: color 120ms linear, border-color 120ms linear;
}

.page-products .next-link:hover {
  color: var(--c-orange);
}

.page-products .next-link__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
}

.page-products .next-link__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

@media (min-width: 880px) {
  .page-products .next-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 36px;
  }

  .page-products .next-link {
    padding: 24px 0;
    border-top: 2px solid var(--c-orange);
  }
}